Home / 151,997.80-228,001.31-52,156.57

Finding the Fourth Proportional to 151,997.80, 228,001.31 and 52,156.57

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Solution

The fourth proportional to 151,997.80, 228,001.31 and 52,156.57 is: 78,236.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,997.80 : 228,001.31 = 52,156.57 : x
  2. Step 2: Convert to fraction form
    151,997.80/228,001.31 = 52,156.57/x
  3. Step 3: Cross multiply
    151,997.80x = 228,001.31 × 52,156.57
  4. Step 4: Simplify right side
    151,997.80x = 11,891,766,285.11
  5. Step 5: Solve for x
    x = 11,891,766,285.11/151,997.80
  6. Step 6: Final answer
    x = 78,236.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.